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dui test

The Standardized Field Sobriety Test (SFST) includes three separate tests. They are typically administered after a person has been pulled over on suspicion of driving under the influence of alcohol (DUI). The purpose of the tests is to reveal clues that a police officer can use to determine whether the driver of…

breathalyzer test

The breath-testing machines used by Arizona police officers to test drivers for alcohol go by several different brand names, including Breathalyzer and Datamaster. How Do Breath Testing Machines Work? Each device operates similarly. The machine uses a sample of a driver’s breath to test blood alcohol concentration (BAC). A breath…